Craft a series of 5 mystical game category icons, drawing inspiration from the playful geometry of Paul Klee and the enigmatic forms of Wilfredo Lam. Position the icons in a gently arcing line against a deep, starry indigo background. Each icon should be a unique, soft-edged shape filled with a gradient of two complementary pastel tones (e.g., lilac fading to mint, pale blue transitioning to blush). Within each shape, illustrate a white, abstract representation of the category using a combination of delicate dots and flowing lines, creating a constellation-like effect. Apply a subtle glass-like reflection to each icon's surface and surround it with a faint, shimmering aura that subtly shifts in color. The overall effect should evoke a sense of ancient wisdom rendered in a modern, ethereal style.